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Δ / VULNERABILITY RECORD

CVE-2026-59786.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 6.9CVSS 4.0 · security@zabbix.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAwaiting AnalysisModified Oct 06, 2026

Disclosure summary

Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate authentication. This means someone with access to the Zabbix trapper port can report an arbitrary host using an active agent as available, resulting in a loss of integrity.

Source-reported weakness categories

CWE-940

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2026-59786

Open original source · Updated Oct 06, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

Original records & references

PUBLISHED 2026-10-05T07:16:59-04:00
MODIFIED 2026-10-06T11:27:05-04:00
INGESTED 2026-10-06T11:45:40-04:00